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FM3104

Ramtron
Part Number FM3104
Manufacturer Ramtron
Description (FM3104 - FM31256) Integrated Processor Companion
Published Dec 11, 2006
Detailed Description www.DataSheet4U.com Product Preview FM3104/16/64/256 Integrated Processor Companion with Memory Features High Integrat...
Datasheet PDF File FM3104 PDF File

FM3104
FM3104

Overview
www.
DataSheet4U.
com Product Preview FM3104/16/64/256 Integrated Processor Companion with Memory Features High Integration Device Replaces Multiple Parts • Serial Nonvolatile Memory • Real-time Clock (RTC) • Low Voltage Reset • Watchdog Timer • Early Power-Fail Warning/NMI • Two 16-bit Event Counters • Serial Number with Write-lock for Security Ferroelectric Nonvolatile RAM • 4Kb, 16Kb, 64Kb, and 256Kb versions • Unlimited Read/Write Endurance • 10 year Data Retention • NoDelay™ Writes Real-time Clock/Calendar • Backup Current under 1 µA • Seconds through Centuries in BCD format • Tracks Leap Years through 2099 • Uses Standard 32.
768 kHz Crystal (6pF) • Software Calibration • Supports Battery or Capacitor Backup Processor Companion • Active-low Reset Output for VDD and Watchdog • Programmable VDD Reset Trip Point • Manual Reset Filtered and De-bounced • Programmable Watchdog Timer • Dual Battery-backed Event Counter Tracks System Intrusions or other Events • Comparator for Early Power-Fail Interrupt • 64-bit Programmable Serial Number with Lock Fast Two-wire Serial Interface • Up to 1 MHz Maximum Bus Frequency • Supports Legacy Timing for 100 kHz & 400 kHz • Device Select Pins for up to 4 Memory Devices • RTC, Supervisor Controlled via 2-wire Interface Easy to Use Configurations • Operates from 2.
7 to 5.
5V • Small Footprint 14-pin SOIC • Low Operating Current • -40°C to +85°C Operation Description The FM31xxx is a family of integrated devices that includes the most commonly needed functions for processor-based systems.
Major features include nonvolatile memory available in various sizes, realtime clock, low-VDD reset, watchdog timer, nonvolatile event counter, lockable 64-bit serial number area, and general purpose comparator that can be used for an early power-fail (NMI) interrupt or other purpose.
The family operates from 2.
7 to 5.
5V.
Each FM31xxx provides nonvolatile RAM available in sizes including 4Kb, 16Kb, 64Kb, and 256Kb versions.
Fast write speed and unli...


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